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Mars SNACKSIZE BARS
Mars SNACKSIZE BARS by Mars provides 442 kcal per 100 g, with 61 g of sugars and 4.5 g of protein. It is classified as NOVA 4 (ultra-processed food). Contains: eggs, gluten, milk, soybeans.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 1 bar (33.8 g)
| Nutrient | Per 100 g | Per serving | % DV* |
|---|---|---|---|
| Calories | 442 kcal | 149 kcal | |
| Total fat | 16 g | 5.4 g | 7% |
| Saturated fat | 7.5 g | 2.5 g | 13% |
| Carbohydrates | 70 g | 23.7 g | 9% |
| Total sugars | 61 g | 20.6 g | |
| Added sugars | 76.8 g | 26 g | 52% |
| Dietary fiber | 0 g | 0 g | 0% |
| Protein | 4.5 g | 1.5 g | 3% |
| Salt | 0.7 g | 0.2 g |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values).
Ingredients
Sugar, glucose syrup, skimmed milk powder, cocoa butter, cocoa mass, sunflower oil, whey permeate (milk), palm fat, milk fat, fat-reduced cocoa powder, barley malt extract, salt, emulsifier (soya lecithin), egg white powder. (May contain: peanuts, other nuts).
- Allergens
- EggsGlutenMilkSoybeans
- May contain traces
- NutsPeanuts
Additives 2
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Serving size
- 1 bar (33.8 g)
- Sold in
- United Kingdom
- Barcode
- 5000159571500
Prices reported by shoppers
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Frequently asked questions
How many calories are in Mars SNACKSIZE BARS?
Mars SNACKSIZE BARS contains 442 kcal per 100 g and about 149 kcal per serving (1 bar (33.8 g)).
How much sugar is in Mars SNACKSIZE BARS?
Mars SNACKSIZE BARS has 61 g of sugars per 100 g, which is considered high by UK front-of-pack guidelines.
Is Mars SNACKSIZE BARS healthy?
It is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
Is Mars SNACKSIZE BARS vegan?
Based on its ingredient list, it is not vegan.
What allergens does Mars SNACKSIZE BARS contain?
According to the label data it contains: Eggs, Gluten, Milk, Soybeans. It may also contain traces of nuts, peanuts. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated March 27, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
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